<%@page contentType="text/html; charset=UTF-8" language="java" %>
<!DOCTYPE html>
<html lang="cn">
<head>
    <meta charset="UTF-8">
    <title>声明变量和方法</title>
</head>
<body>
<%!
   public int count;
   public String info() {
       return "hello";
   }
%>
<%
    out.println(count++);
%>
<br/>
<%
    out.println(info()  );
%>
</body>
</html>